/* ** ** Swift/XRT light curve for BL Lacertae. ** ** Data taken from the automatic processing at http://www.swift.psu.edu/monitoring/ ** ** When using these data and results in publications, please reference M.C. Stroh & A.D. Falcone 2013, ApJS, 207, 28; arXiv: 1305.4949. ** ** Key: ** ** BinCenter - Center of time bin (MJD) ** BinHW - One-half of the full time bin size (days) ** Rate - The background subtracted, PSF corrected and pile-up corrected source count rate (cts/s). ** RateError - 1 sigma error in source count rate (cts/s) ** FracExp - Conversion factor between bin size and observing time ** Mode - 0 if in Windowed Timing (WT) ** 1 if in Photon Counting (PC) ** ** ** Upper limits have an error listed as -1.00000. ** */ BinCenter BinHW Rate RateError FracExp Mode 57266.463967 0.000508 0.34664 0.07811 0.97143 1 57266.465216 0.000741 0.24925 0.05632 0.94118 1 57266.467351 0.001394 0.20443 0.03662 0.96671 1 57266.648803 0.001075 0.25117 0.05663 0.95181 1 57266.650866 0.000988 0.27197 0.06146 0.94118 1 57266.652856 0.000973 0.28793 0.06316 0.95522 1 57266.654991 0.001162 0.22916 0.05125 0.95000 1 57266.657228 0.001075 0.26086 0.05563 0.99369 1